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[Randy Syring <randy@xxxxxxxxxxxxx>]

> Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?

This is the first time I've tried using the SD card.  So I can't say if
any system changes have affected it.

However, the fact that my SD card reader doesn't show up when booted
into SystemRescueCD, and it does show up when booted into my friends
MBP, makes me think it's not a system configuration issue.

> Would it be possible for you to test the latest upstream kernel?

I tried, but I'm using a ZFS filestystem for my root.  I tried to build
but I guess there are issues due to my relying on "out of tree" modules.
I'm not familiar enough with building kernels to know how to proceed at
this point.  If you could point to instructions that would tell me how
to use a mainline kernel with my dkms zfs module (so I can boot), I'd be
happy to give it a try.

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https://bugs.launchpad.net/bugs/1531653

Title:
  Macbook Pro Retina 11,1 SD Card Reader Doesn't Work

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I have a Macbook Pro (MBP) Retina 11,1 with an SD card reader that
  will not work.

  The SD card reader:

  * has device code 05ac:8406
  * does work in OS X.
  * does not work in SystemRescueCD running kernel 3.14.56-std461-amd64
      - I have a friend with an identical Macbook Pro and his SD card reader does work in SystemRescueCD
  * Does not show up in lsusb
  * Does not display any messages in dmesg when an SD card is inserted
  * Device 05ac:8406 does not show up in dmesg
  * Does not work in kernel 4.2.0-22.27~14.04.1.  All issues reported here seem to be the same regardless if I use 3.13 or 4.2.
  * Uses the following drivers on my friends MBP: sd, usb-storage, usb, xhci_hcd

  The last point made me look closer at the xhci_hcd logs:

  rsyring@loftex:~$ dmesg | grep xhci_hcd
  [    2.681478] xhci_hcd 0000:00:14.0: xHCI Host Controller
  [    2.681498] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1
  [    2.681589] xhci_hcd 0000:00:14.0: cache line size of 256 is not supported
  [    2.681607] xhci_hcd 0000:00:14.0: irq 63 for MSI/MSI-X
  [    2.681755] usb usb1: Manufacturer: Linux 3.13.0-57-generic xhci_hcd
  [    2.682098] xhci_hcd 0000:00:14.0: xHCI Host Controller
  [    2.682115] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
  [    2.682219] usb usb2: Manufacturer: Linux 3.13.0-57-generic xhci_hcd
  [    3.980423] usb 2-1: new SuperSpeed USB device number 2 using xhci_hcd
  [    9.352422] xhci_hcd 0000:00:14.0: Timeout while waiting for address device command
  [   14.560476] xhci_hcd 0000:00:14.0: Timeout while waiting for address device command
  [   20.549170] xhci_hcd 0000:00:14.0: Timeout while waiting for address device command
  [   25.757227] xhci_hcd 0000:00:14.0: Timeout while waiting for address device command
  [   26.129482] usb 1-1: new high-speed USB device number 2 using xhci_hcd
  [   26.321707] usb 1-3: new full-speed USB device number 3 using xhci_hcd
  [   26.505802] usb 1-5: new full-speed USB device number 4 using xhci_hcd
  [   26.603224] usb 2-1.1: new SuperSpeed USB device number 6 using xhci_hcd
  [   26.754245] usb 1-1.2: new low-speed USB device number 5 using xhci_hcd
  [   26.954315] usb 1-1.4: new low-speed USB device number 6 using xhci_hcd
  [   27.050323] usb 1-3.1: new full-speed USB device number 7 using xhci_hcd
  [   27.142383] usb 1-3.2: new full-speed USB device number 8 using xhci_hcd
  [   27.234476] usb 1-3.3: new full-speed USB device number 9 using xhci_hcd
  [   81.685139] usb 1-1.4: new low-speed USB device number 10 using xhci_hcd

  The "Timeout while waiting" messages are suspicious to me.  dmesg on
  my friend's MBP  does not show those messages.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-57-generic 3.13.0-57.95
  ProcVersionSignature: Ubuntu 3.13.0-57.95-generic 3.13.11-ckt21
  Uname: Linux 3.13.0-57-generic x86_64
  NonfreeKernelModules: wl zfs zunicode zcommon znvpair zavl
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  rsyring    5051 F.... pulseaudio
   /dev/snd/controlC0:  rsyring    5051 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Wed Jan  6 17:57:28 2016
  HibernationDevice: RESUME=UUID=8b8a41c8-2030-4f92-b7d6-1143a081ec85
  InstallationDate: Installed on 2014-02-15 (690 days ago)
  InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016)
  MachineType: Apple Inc. MacBookPro11,1
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: \vmlinuz-3.13.0-57-generic.efi.signed root=ZFS=/ROOT ro libata.force=noncq cryptopts=target=cryptdev,source=/dev/disk/by-uuid/6993c5ec-7308-420d-bbe2-1ed18c15e2bc,discard boot=zfs initrd=\initrd.img-3.13.0-57-generic
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-57-generic N/A
   linux-backports-modules-3.13.0-57-generic  N/A
   linux-firmware                             1.127.19
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-07-21 (534 days ago)
  dmi.bios.date: 09/08/2015
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBP111.88Z.0138.B16.1509081438
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-189A3D4F975D5FFC
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookPro11,1
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-189A3D4F975D5FFC
  dmi.modalias: dmi:bvnAppleInc.:bvrMBP111.88Z.0138.B16.1509081438:bd09/08/2015:svnAppleInc.:pnMacBookPro11,1:pvr1.0:rvnAppleInc.:rnMac-189A3D4F975D5FFC:rvrMacBookPro11,1:cvnAppleInc.:ct10:cvrMac-189A3D4F975D5FFC:
  dmi.product.name: MacBookPro11,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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